/*!

 @Name：layer mobile v2.0 弹层组件移动版
 @Author：贤心
 @Site：http://layer.layui.com/mobie/
 @License：LGPL
    
 */

;!function(win){
  
    "use strict";
    
    var doc = document, query = 'querySelectorAll', claname = 'getElementsByClassName', S = function(s){
      return doc[query](s);
    };
    
    //默认配置
    var config = {
      type: 0
      ,shade: true
      ,shadeClose: true
      ,fixed: true
      ,anim: 'scale' //默认动画类型
    };
    
    var ready = {
      extend: function(obj){
        var newobj = JSON.parse(JSON.stringify(config));
        for(var i in obj){
          newobj[i] = obj[i];
        }
        return newobj;
      }, 
      timer: {}, end: {}
    };
    
    //点触事件
    ready.touch = function(elem, fn){
      elem.addEventListener('click', function(e){
        fn.call(this, e);
      }, false);
    };
    
    var index = 0, classs = ['layui-m-layer'], Layer = function(options){
      var that = this;
      that.config = ready.extend(options);
      that.view();
    };
    
    Layer.prototype.view = function(){
      var that = this, config = that.config, layerbox = doc.createElement('div');
    
      that.id = layerbox.id = classs[0] + index;
      layerbox.setAttribute('class', classs[0] + ' ' + classs[0]+(config.type || 0));
      layerbox.setAttribute('index', index);
      
      //标题区域
      var title = (function(){
        var titype = typeof config.title === 'object';
        return config.title
        ? '<h3 style="'+ (titype ? config.title[1] : '') +'">'+ (titype ? config.title[0] : config.title)  +'</h3>'
        : '';
      }());
      
      //按钮区域
      var button = (function(){
        typeof config.btn === 'string' && (config.btn = [config.btn]);
        var btns = (config.btn || []).length, btndom;
        if(btns === 0 || !config.btn){
          return '';
        }
        btndom = '<span yes type="1">'+ config.btn[0] +'</span>'
        if(btns === 2){
          btndom = '<span no type="0">'+ config.btn[1] +'</span>' + btndom;
        }
        return '<div class="layui-m-layerbtn">'+ btndom + '</div>';
      }());
      
      if(!config.fixed){
        config.top = config.hasOwnProperty('top') ?  config.top : 100;
        config.style = config.style || '';
        config.style += ' top:'+ ( doc.body.scrollTop + config.top) + 'px';
      }
      
      if(config.type === 2){
        config.content = '<i></i><i class="layui-m-layerload"></i><i></i><p>'+ (config.content||'') +'</p>';
      }
      
      if(config.skin) config.anim = 'up';
      if(config.skin === 'msg') config.shade = false;
      
      layerbox.innerHTML = (config.shade ? '<div '+ (typeof config.shade === 'string' ? 'style="'+ config.shade +'"' : '') +' class="layui-m-layershade"></div>' : '')
      +'<div class="layui-m-layermain" '+ (!config.fixed ? 'style="position:static;"' : '') +'>'
        +'<div class="layui-m-layersection">'
          +'<div class="layui-m-layerchild '+ (config.skin ? 'layui-m-layer-' + config.skin + ' ' : '') + (config.className ? config.className : '') + ' ' + (config.anim ? 'layui-m-anim-' + config.anim : '') +'" ' + ( config.style ? 'style="'+config.style+'"' : '' ) +'>'
            + title
            +'<div class="layui-m-layercont">'+ config.content +'</div>'
            + button
          +'</div>'
        +'</div>'
      +'</div>';
      
      if(!config.type || config.type === 2){
        var dialogs = doc[claname](classs[0] + config.type), dialen = dialogs.length;
        if(dialen >= 1){
          layer.close(dialogs[0].getAttribute('index'))
        }
      }
      
      document.body.appendChild(layerbox);
      var elem = that.elem = S('#'+that.id)[0];
      config.success && config.success(elem);
      
      that.index = index++;
      that.action(config, elem);
    };
    
    Layer.prototype.action = function(config, elem){
      var that = this;
      
      //自动关闭
      if(config.time){
        ready.timer[that.index] = setTimeout(function(){
          layer.close(that.index);
        }, config.time*1000);
      }
      
      //确认取消
      var btn = function(){
        var type = this.getAttribute('type');
        if(type == 0){
          config.no && config.no();
          layer.close(that.index);
        } else {
          config.yes ? config.yes(that.index) : layer.close(that.index);
        }
      };
      if(config.btn){
        var btns = elem[claname]('layui-m-layerbtn')[0].children, btnlen = btns.length;
        for(var ii = 0; ii < btnlen; ii++){
          ready.touch(btns[ii], btn);
        }
      }
      
      //点遮罩关闭
      if(config.shade && config.shadeClose){
        var shade = elem[claname]('layui-m-layershade')[0];
        ready.touch(shade, function(){
          layer.close(that.index, config.end);
        });
      }
    
      config.end && (ready.end[that.index] = config.end);
    };
    
    win.layer = {
      v: '2.0',
      index: index,
      
      //核心方法
      open: function(options){
        var o = new Layer(options || {});
        return o.index;
      },
      
      close: function(index){
        var ibox = S('#'+classs[0]+index)[0];
        if(!ibox) return;
        ibox.innerHTML = '';
        doc.body.removeChild(ibox);
        clearTimeout(ready.timer[index]);
        delete ready.timer[index];
        typeof ready.end[index] === 'function' && ready.end[index]();
        delete ready.end[index];
      },
      
      //关闭所有layer层
      closeAll: function(){
        var boxs = doc[claname](classs[0]);
        for(var i = 0, len = boxs.length; i < len; i++){
          layer.close((boxs[0].getAttribute('index')|0));
        }
      }
    };
    
    'function' == typeof define ? define(function() {
      return layer;
    }) : function(){
      
      var js = document.scripts, script = js[js.length - 1], jsPath = script.src;
      var path = jsPath.substring(0, jsPath.lastIndexOf("/") + 1);
      
      //如果合并方式，则需要单独引入layer.css
      if(script.getAttribute('merge')) return; 
      
      document.head.appendChild(function(){
        var link = doc.createElement('link');
        link.href = path + 'need/layer.css?2.0';
        link.type = 'text/css';
        link.rel = 'styleSheet'
        link.id = 'layermcss';
        return link;
      }());
      
    }();
    
    }(window);